#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include "apue.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "include/my_err.h"
#include <unistd.h>


int main(void) {
    int n;
    int fd[2];
    pid_t pid;
    char line[MAXLINE];

    if (pipe(fd) < 0) {
        err_sys("pipe error");

    }


    exit(0);
}
